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<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2851.2
monetaryItemType
table: <entity> 2851.2 </entity> <entity type> monetaryItemType </entity type> <context> Sales of Investment Securities | 2,851.2 | 2,787.5 | 2,713.6 </context>
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2787.5
monetaryItemType
table: <entity> 2787.5 </entity> <entity type> monetaryItemType </entity type> <context> Sales of Investment Securities | 2,851.2 | 2,787.5 | 2,713.6 </context>
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2713.6
monetaryItemType
table: <entity> 2713.6 </entity> <entity type> monetaryItemType </entity type> <context> Sales of Investment Securities | 2,851.2 | 2,787.5 | 2,713.6 </context>
us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
139.9
monetaryItemType
table: <entity> 139.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsForNuclearFuel
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
128.2
monetaryItemType
table: <entity> 128.2 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsForNuclearFuel
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
100.7
monetaryItemType
table: <entity> 100.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsForNuclearFuel
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
6.4
monetaryItemType
table: <entity> 6.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 6.4 | 6.1 | 10.3 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
6.1
monetaryItemType
table: <entity> 6.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 6.4 | 6.1 | 10.3 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
10.3
monetaryItemType
table: <entity> 10.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Investing Activities | 6.4 | 6.1 | 10.3 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
767.7
monetaryItemType
table: <entity> 767.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
707.0
monetaryItemType
table: <entity> 707.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
701.5
monetaryItemType
table: <entity> 701.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
15.9
monetaryItemType
table: <entity> 15.9 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 15.9 | 8.8 | 7.9 </context>
us-gaap:ProceedsFromContributionsFromParent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
8.8
monetaryItemType
table: <entity> 8.8 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 15.9 | 8.8 | 7.9 </context>
us-gaap:ProceedsFromContributionsFromParent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
7.9
monetaryItemType
table: <entity> 7.9 </entity> <entity type> monetaryItemType </entity type> <context> Capital Contribution from Parent | 15.9 | 8.8 | 7.9 </context>
us-gaap:ProceedsFromContributionsFromParent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
80.4
monetaryItemType
table: <entity> 80.4 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt - Nonaffiliated | 80.4 | 565.3 | 142.7 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
565.3
monetaryItemType
table: <entity> 565.3 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt - Nonaffiliated | 80.4 | 565.3 | 142.7 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
142.7
monetaryItemType
table: <entity> 142.7 </entity> <entity type> monetaryItemType </entity type> <context> Issuance of Long-term Debt - Nonaffiliated | 80.4 | 565.3 | 142.7 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
103.4
monetaryItemType
table: <entity> 103.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
343.3
monetaryItemType
table: <entity> 343.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
83.4
monetaryItemType
table: <entity> 83.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
7.1
monetaryItemType
table: <entity> 7.1 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:FinanceLeasePrincipalPayments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
7.4
monetaryItemType
table: <entity> 7.4 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:FinanceLeasePrincipalPayments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
130.7
monetaryItemType
table: <entity> 130.7 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:FinanceLeasePrincipalPayments
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
150.0
monetaryItemType
table: <entity> 150.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
212.5
monetaryItemType
table: <entity> 212.5 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
110.0
monetaryItemType
table: <entity> 110.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
0.7
monetaryItemType
table: <entity> 0.7 </entity> <entity type> monetaryItemType </entity type> <context> Fuel, Materials and Supplies | 0.7 | ( 61.4 ) | ( 2.6 ) </context>
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
0.6
monetaryItemType
table: <entity> 0.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 0.7 | 0.7 | 0.6 </context>
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
101.8
monetaryItemType
table: <entity> 101.8 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
175.0
monetaryItemType
table: <entity> 175.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
16.3
monetaryItemType
table: <entity> 16.3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
0.6
monetaryItemType
table: <entity> 0.6 </entity> <entity type> monetaryItemType </entity type> <context> Other Financing Activities | 0.7 | 0.7 | 0.6 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2.1
monetaryItemType
table: <entity> 2.1 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents at Beginning of Period | 2.1 | 4.2 | 1.3 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2.9
monetaryItemType
table: <entity> 2.9 </entity> <entity type> monetaryItemType </entity type> <context> Net Increase (Decrease) in Cash and Cash Equivalents | ( 0.6 ) | ( 2.1 ) | 2.9 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2.1
monetaryItemType
table: <entity> 2.1 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents at Beginning of Period | 2.1 | 4.2 | 1.3 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
4.2
monetaryItemType
table: <entity> 4.2 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents at Beginning of Period | 2.1 | 4.2 | 1.3 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.3
monetaryItemType
table: <entity> 1.3 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents at Beginning of Period | 2.1 | 4.2 | 1.3 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.5
monetaryItemType
table: <entity> 1.5 </entity> <entity type> monetaryItemType </entity type> <context> Accrued Taxes, Net | ( 2.5 ) | 1.5 | 9.4 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
144.1
monetaryItemType
table: <entity> 144.1 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 144.1 | $ | 131.6 | $ | 120.9 </context>
us-gaap:InterestPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
131.6
monetaryItemType
table: <entity> 131.6 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 144.1 | $ | 131.6 | $ | 120.9 </context>
us-gaap:InterestPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
120.9
monetaryItemType
table: <entity> 120.9 </entity> <entity type> monetaryItemType </entity type> <context> Cash Paid for Interest, Net of Capitalized Amounts | $ | 144.1 | $ | 131.6 | $ | 120.9 </context>
us-gaap:InterestPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
24.0
monetaryItemType
table: <entity> 24.0 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 24.0 | 109.0 | 10.1 </context>
us-gaap:IncomeTaxesPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
109.0
monetaryItemType
table: <entity> 109.0 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 24.0 | 109.0 | 10.1 </context>
us-gaap:IncomeTaxesPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
10.1
monetaryItemType
table: <entity> 10.1 </entity> <entity type> monetaryItemType </entity type> <context> Net Cash Paid for Income Taxes | 24.0 | 109.0 | 10.1 </context>
us-gaap:IncomeTaxesPaidNet
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.3
monetaryItemType
table: <entity> 1.3 </entity> <entity type> monetaryItemType </entity type> <context> Cash and Cash Equivalents at Beginning of Period | 2.1 | 4.2 | 1.3 </context>
us-gaap:CapitalLeaseObligationsIncurred
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
4.8
monetaryItemType
table: <entity> 4.8 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 1.3 | 4.8 | 2.2 </context>
us-gaap:CapitalLeaseObligationsIncurred
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
2.2
monetaryItemType
table: <entity> 2.2 </entity> <entity type> monetaryItemType </entity type> <context> Noncash Acquisitions Under Finance Leases | 1.3 | 4.8 | 2.2 </context>
us-gaap:CapitalLeaseObligationsIncurred
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
77.2
monetaryItemType
table: <entity> 77.2 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 77.2 | 67.8 | 71.9 </context>
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
67.8
monetaryItemType
table: <entity> 67.8 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 77.2 | 67.8 | 71.9 </context>
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
71.9
monetaryItemType
table: <entity> 71.9 </entity> <entity type> monetaryItemType </entity type> <context> Construction Expenditures Included in Current Liabilities as of December 31, | 77.2 | 67.8 | 71.9 </context>
us-gaap:ConstructionInProgressExpendituresIncurredButNotYetPaid
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3793.0
monetaryItemType
table: <entity> 3793.0 </entity> <entity type> monetaryItemType </entity type> <context> Electricity, Transmission and Distribution | $ | 3,793.0 | $ | 3,768.0 | $ | 3,635.3 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3768.0
monetaryItemType
table: <entity> 3768.0 </entity> <entity type> monetaryItemType </entity type> <context> Electricity, Transmission and Distribution | $ | 3,793.0 | $ | 3,768.0 | $ | 3,635.3 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3635.3
monetaryItemType
table: <entity> 3635.3 </entity> <entity type> monetaryItemType </entity type> <context> Electricity, Transmission and Distribution | $ | 3,793.0 | $ | 3,768.0 | $ | 3,635.3 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
22.7
monetaryItemType
table: <entity> 22.7 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 22.7 | 31.1 | 18.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
31.1
monetaryItemType
table: <entity> 31.1 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 22.7 | 31.1 | 18.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
18.8
monetaryItemType
table: <entity> 18.8 </entity> <entity type> monetaryItemType </entity type> <context> Sales to AEP Affiliates | 22.7 | 31.1 | 18.8 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
12.1
monetaryItemType
table: <entity> 12.1 </entity> <entity type> monetaryItemType </entity type> <context> Other Revenues | 12.1 | 12.3 | 11.0 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
12.3
monetaryItemType
table: <entity> 12.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Revenues | 12.1 | 12.3 | 11.0 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
11.0
monetaryItemType
table: <entity> 11.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Revenues | 12.1 | 12.3 | 11.0 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3827.8
monetaryItemType
table: <entity> 3827.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 3,827.8 | 3,811.4 | 3,665.1 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3811.4
monetaryItemType
table: <entity> 3811.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 3,827.8 | 3,811.4 | 3,665.1 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3665.1
monetaryItemType
table: <entity> 3665.1 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL REVENUES | 3,827.8 | 3,811.4 | 3,665.1 </context>
us-gaap:Revenues
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
811.3
monetaryItemType
table: <entity> 811.3 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity for Resale | 811.3 | 1,128.0 | 1,277.4 </context>
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1128.0
monetaryItemType
table: <entity> 1128.0 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity for Resale | 811.3 | 1,128.0 | 1,277.4 </context>
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1277.4
monetaryItemType
table: <entity> 1277.4 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity for Resale | 811.3 | 1,128.0 | 1,277.4 </context>
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
97.8
monetaryItemType
table: <entity> 97.8 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity from AEP Affiliates | 97.8 | 86.8 | 9.8 </context>
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
86.8
monetaryItemType
table: <entity> 86.8 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity from AEP Affiliates | 97.8 | 86.8 | 9.8 </context>
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
9.8
monetaryItemType
table: <entity> 9.8 </entity> <entity type> monetaryItemType </entity type> <context> Purchased Electricity from AEP Affiliates | 97.8 | 86.8 | 9.8 </context>
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1198.3
monetaryItemType
table: <entity> 1198.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 1,198.3 | 1,091.7 | 982.0 </context>
us-gaap:UtilitiesOperatingExpenseOperations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1091.7
monetaryItemType
table: <entity> 1091.7 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 1,198.3 | 1,091.7 | 982.0 </context>
us-gaap:UtilitiesOperatingExpenseOperations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
982.0
monetaryItemType
table: <entity> 982.0 </entity> <entity type> monetaryItemType </entity type> <context> Other Operation | 1,198.3 | 1,091.7 | 982.0 </context>
us-gaap:UtilitiesOperatingExpenseOperations
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
256.3
monetaryItemType
table: <entity> 256.3 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 256.3 | 211.5 | 185.5 </context>
us-gaap:UtilitiesOperatingExpenseMaintenance
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
211.5
monetaryItemType
table: <entity> 211.5 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 256.3 | 211.5 | 185.5 </context>
us-gaap:UtilitiesOperatingExpenseMaintenance
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
185.5
monetaryItemType
table: <entity> 185.5 </entity> <entity type> monetaryItemType </entity type> <context> Maintenance | 256.3 | 211.5 | 185.5 </context>
us-gaap:UtilitiesOperatingExpenseMaintenance
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
52.9
monetaryItemType
table: <entity> 52.9 </entity> <entity type> monetaryItemType </entity type> <context> Asset Impairments and Other Related Charges | 52.9 | β€” | β€” </context>
us-gaap:OtherAssetImpairmentCharges
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
β€”
monetaryItemType
table: <entity> β€” </entity> <entity type> monetaryItemType </entity type> <context> Asset Impairments and Other Related Charges | 52.9 | β€” | β€” </context>
us-gaap:OtherAssetImpairmentCharges
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
386.0
monetaryItemType
table: <entity> 386.0 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 386.0 | 316.2 | 294.3 </context>
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
316.2
monetaryItemType
table: <entity> 316.2 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 386.0 | 316.2 | 294.3 </context>
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
294.3
monetaryItemType
table: <entity> 294.3 </entity> <entity type> monetaryItemType </entity type> <context> Depreciation and Amortization | 386.0 | 316.2 | 294.3 </context>
us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
560.2
monetaryItemType
table: <entity> 560.2 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 560.2 | 507.3 | 502.4 </context>
us-gaap:UtilitiesOperatingExpenseTaxes
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
507.3
monetaryItemType
table: <entity> 507.3 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 560.2 | 507.3 | 502.4 </context>
us-gaap:UtilitiesOperatingExpenseTaxes
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
502.4
monetaryItemType
table: <entity> 502.4 </entity> <entity type> monetaryItemType </entity type> <context> Taxes Other Than Income Taxes | 560.2 | 507.3 | 502.4 </context>
us-gaap:UtilitiesOperatingExpenseTaxes
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3362.8
monetaryItemType
table: <entity> 3362.8 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 3,362.8 | 3,341.5 | 3,251.4 </context>
us-gaap:CostsAndExpenses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3341.5
monetaryItemType
table: <entity> 3341.5 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 3,362.8 | 3,341.5 | 3,251.4 </context>
us-gaap:CostsAndExpenses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3251.4
monetaryItemType
table: <entity> 3251.4 </entity> <entity type> monetaryItemType </entity type> <context> TOTAL EXPENSES | 3,362.8 | 3,341.5 | 3,251.4 </context>
us-gaap:CostsAndExpenses
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
465.0
monetaryItemType
table: <entity> 465.0 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 465.0 | 469.9 | 413.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
469.9
monetaryItemType
table: <entity> 469.9 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 465.0 | 469.9 | 413.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
413.7
monetaryItemType
table: <entity> 413.7 </entity> <entity type> monetaryItemType </entity type> <context> OPERATING INCOME | 465.0 | 469.9 | 413.7 </context>
us-gaap:OperatingIncomeLoss
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
3.4
monetaryItemType
table: <entity> 3.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Income | 3.4 | 0.4 | 1.3 </context>
us-gaap:OtherNonoperatingIncomeExpense
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
0.4
monetaryItemType
table: <entity> 0.4 </entity> <entity type> monetaryItemType </entity type> <context> Other Income | 3.4 | 0.4 | 1.3 </context>
us-gaap:OtherNonoperatingIncomeExpense
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
1.3
monetaryItemType
table: <entity> 1.3 </entity> <entity type> monetaryItemType </entity type> <context> Other Income | 3.4 | 0.4 | 1.3 </context>
us-gaap:OtherNonoperatingIncomeExpense
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
23.4
monetaryItemType
table: <entity> 23.4 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 23.4 | 17.1 | 13.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
17.1
monetaryItemType
table: <entity> 17.1 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 23.4 | 17.1 | 13.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
13.9
monetaryItemType
table: <entity> 13.9 </entity> <entity type> monetaryItemType </entity type> <context> Allowance for Equity Funds Used During Construction | 23.4 | 17.1 | 13.9 </context>
us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
15.3
monetaryItemType
table: <entity> 15.3 </entity> <entity type> monetaryItemType </entity type> <context> Non-Service Cost Components of Net Periodic Benefit Cost | 15.3 | 26.0 | 22.1 </context>
us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
26.0
monetaryItemType
table: <entity> 26.0 </entity> <entity type> monetaryItemType </entity type> <context> Non-Service Cost Components of Net Periodic Benefit Cost | 15.3 | 26.0 | 22.1 </context>
us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
22.1
monetaryItemType
table: <entity> 22.1 </entity> <entity type> monetaryItemType </entity type> <context> Non-Service Cost Components of Net Periodic Benefit Cost | 15.3 | 26.0 | 22.1 </context>
us-gaap:NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
148.0
monetaryItemType
table: <entity> 148.0 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating
<table><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td>Years Ended December 31,</td></tr><tr><td></td><td></td><td>2024</td><td></td><td>2023</t...
table
130.9
monetaryItemType
table: <entity> 130.9 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:InterestExpenseNonoperating